Update app.py

app.py

@@ -47,7 +47,7 @@ def get_current_time_in_timezone(timezone: str) -> str:
         return f"Error fetching time for timezone '{timezone}': {str(e)}"
 
 @tool
-def funny_hi_response(_: str = "") -> str:
+def funny_hi_response(message: str) -> str:
     """Returns a funny or sarcastic response to someone saying 'Hi'."""
     import random